1974 01 10.85 -16.36 -13.60 
1974 02 -6.15 -13.38  -9.76 
1974 03  1.22  -8.31  -3.54 
1974 04  7.97  -1.00   3.48 
1974 05 15.27   3.07   9.17 
1974 06 18.11   7.19  12.65 
1974 07 17.74   9.45  13.59 
1974 08 19.10   9.30  14.20 
1974 09 15.08   6.49  10.78 
1974 10  5.72  -1.41   2.15 
1974 11  -.75  -8.97  -4.86 
1974 12 -5.71 -11.59  -8.64 
1975 01 -7.64 -14.42 -11.03 
1975 02 -4.34 -13.39  -8.86 
1975 03   .11  -8.91  -4.40 
1975 04  5.18  -3.63    .77 
1975 06 14.99   6.29  10.64 
1975 08 17.73   8.21  12.96 
1975 09 13.01   5.12   9.06 
1975 10  5.41  -3.24   1.08 
1975 11 -6.07 -13.40  -9.73 
1975 12 -6.98 -14.54 -10.76 
1976 02 -5.62 -14.47 -10.04 
1976 03   .19  -8.93  -4.37 
1976 04  7.00  -2.14   2.42 
1976 05 12.26   2.16   7.21 
1976 06 18.48   7.29  12.88 
1976 07 19.92   9.54  14.73 
1976 10  4.86  -3.77    .54 
1976 11  4.27  -3.70    .28 
1977 01  4.15  -3.73    .21 
1977 03  -.84 -10.21  -5.52 
1977 08 20.18   9.06  14.62 
1977 10  6.28  -2.96   1.66 
